HUXI HTS-W330 Reciprocal Rocker Shaker

Overview

The HUXI HTS-W330 Reciprocal Rocker Shaker is an engineered laboratory platform designed for precise, low-shear agitation of samples in life science workflows requiring gentle yet consistent reciprocating motion. Operating on the principle of controlled linear oscillation—rather than orbital or rotary motion—the device delivers uniform back-and-forth rocking across a fixed 8 mm stroke amplitude, minimizing sample disturbance while ensuring thorough reagent exchange and membrane interaction. This makes it especially suited for post-electrophoresis processing, including gel fixation, Coomassie Blue staining and destaining, silver nitrate-based staining protocols, autoradiography film development and fixation, and downstream blotting procedures such as nucleic acid hybridization, immuno-probing, and antigen-antibody incubations. Its compact footprint and compatibility with refrigerated and climate-controlled environments (5–40 °C) allow integration into cold rooms, incubators, and shared core facility workspaces without compromising thermal stability or mechanical reliability.

Key Features

• Brushless DC motor drive ensures high-speed accuracy (±1 rpm repeatability), ultra-low acoustic emission (20,000 hours), and zero maintenance requirements.
• Soft-start acceleration profile prevents liquid splashing and preserves integrity of fragile gels, membranes, and cell monolayers during initiation of motion.
• Integrated LCD display provides real-time readout of set and actual speed (rpm) and remaining timer duration, supporting intuitive parameter entry via tactile membrane keypad.
• Lockable operation mode prevents accidental changes to speed or timing settings during unattended runs—critical for GLP-compliant workflows and multi-user lab environments.
• Injection-molded natural rubber deck offers chemical resistance to common electrophoresis reagents (e.g., acetic acid, methanol, formaldehyde), facilitates rapid decontamination, and dampens vibration transmission to adjacent instrumentation.
• IP21-rated enclosure safeguards internal electronics against vertically falling drips and solid objects >12.5 mm, meeting basic environmental protection requirements for general laboratory use.

Sample Compatibility & Compliance

The HTS-W330 accommodates standard electrophoresis trays (up to 20 × 20 cm), Western/Northern blot cassettes, multi-well microplates (6–96-well), and custom glass or plastic containers secured via non-slip matting or optional clamping accessories. It supports protocols aligned with ISO 15190:2020 (medical laboratories — requirements for safety), ASTM D7263-21 (standard practice for evaluating shaker performance), and common QC/QA frameworks in molecular biology labs. While not certified for IEC 61000-6-3 EMC compliance out-of-box, its brushless motor architecture inherently suppresses electromagnetic interference—facilitating co-location with sensitive detection systems such as CCD imagers and phosphor screens.

Software & Data Management

The base unit operates independently via front-panel controls; however, optional RS232 serial interface enables remote command execution (e.g., START, STOP, SET RPM, SET TIMER) and status polling (current speed, elapsed time, error codes) using terminal emulation or custom LabVIEW/Python scripts. When integrated into networked lab infrastructure, timestamped operational logs—including start/stop events, parameter changes, and fault alerts—can be captured for audit trail generation under FDA 21 CFR Part 11–aligned data governance policies. No proprietary software installation is required, reducing validation overhead for regulated environments.

Applications

• Gel processing: Fixation, staining (Coomassie, silver), destaining, and drying preparation for SDS-PAGE and native PAGE gels.
• Membrane-based assays: Pre-hybridization blocking, probe hybridization, stringent washes, and antibody incubation steps in Southern, Northern, and Western blotting.
• Radiographic film handling: Uniform developer and fixer solution contact during autoradiography film processing.
• Cell-based studies: Gentle agitation during suspension culture maintenance, transfection reagent mixing, or extracellular matrix coating steps.
• Low-temperature applications: Stable operation inside refrigerated cabinets (4 °C) or environmental chambers (up to 40 °C), enabling temperature-dependent binding kinetics studies.

FAQ

Is the HTS-W330 compatible with standard electrophoresis gel trays and blot cassettes?
Yes—the 330 × 370 mm platform accommodates most commercially available mini and midi gel trays, as well as reusable hybridization cassettes up to 20 × 20 cm.
Can the rocker be operated inside a cold room at 4 °C?
The specified operating range is 5–40 °C; continuous use below 5 °C is not recommended due to potential condensation ingress and lubricant viscosity effects on motor longevity.
Does the device support programmable multi-step protocols?
No—the HTS-W330 features single-stage timing only; advanced sequencing requires external controller integration via RS232.
What safety certifications does the unit carry?
It complies with GB 4793.1–2019 (Chinese equivalent of IEC 61010-1) for electrical safety in laboratory equipment; CE marking is not applicable for domestic-market configuration.
Is calibration documentation provided with shipment?
Factory verification reports confirming speed accuracy (±1 rpm at 100/200/300 rpm) and timer deviation (<±0.5% over 24 h) are included; user-level recalibration is not supported.